Mary whiton calkins (1863-1930) American psychologist who conducted

research on memory personality and dreams;established one of the first U.Spsychoiogy research iaboratories: first woman president of the American American psychological Association.

Sigmand freud (1856-1939) Austrian and founder of psychoanalysis

G.Stanley Hall (1844-1924) American psychologist who established the first psychology research laboratory in the United Statet; founded the American Psychological Association.

William james (1842-1910) American philosopher and psychologist who founded psychology in the United States and established the psychological school called functionalism.

Abraham Maslow (1908-1970) Amerrican humanistic psychologist who developed an influential theory of motivation.

Ivan Pavlov (1849-1936) Russian psychologist whose pioneering research on learning contributed to the development of behaviorism;discovered the basic learning process that is now called classical conditioning.

        Carl Rogers (1902-1987) American psychologist who founded the school of   humanistic psychology.

b.  f. skinner (1904-1990) American psychologist and leading proponent of behaviorism;developed  a model of learning called operant  conditioning; emphasized  studing the relationship  between environmental  factors and observable  behavior.

John  B.  Watson (1878-1958) American  psychologist who founded  behaviorism emphasizing  the study of  observable behavior and rejecting the study of mental processes.

Max  Wertheimer (1880-1943)  German psychologist who founded the  school of Gestalt  psychology.

Wilhelm   Wundt (1832-1920)  German  psychologist who  founded  psychology as  aformal  science; opened first psychplpgy  research laboratory  in 11879 in Leipzig  Germany.